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Diffstat (limited to 'arch/mn10300/include/asm/busctl-regs.h')
-rw-r--r-- | arch/mn10300/include/asm/busctl-regs.h | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/arch/mn10300/include/asm/busctl-regs.h b/arch/mn10300/include/asm/busctl-regs.h new file mode 100644 index 000000000000..1632aef73401 --- /dev/null +++ b/arch/mn10300/include/asm/busctl-regs.h | |||
@@ -0,0 +1,151 @@ | |||
1 | /* AM33v2 on-board bus controller registers | ||
2 | * | ||
3 | * Copyright (C) 2002 Red Hat, Inc. All Rights Reserved. | ||
4 | * Written by David Howells (dhowells@redhat.com) | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or | ||
7 | * modify it under the terms of the GNU General Public Licence | ||
8 | * as published by the Free Software Foundation; either version | ||
9 | * 2 of the Licence, or (at your option) any later version. | ||
10 | */ | ||
11 | |||
12 | #ifndef _ASM_BUSCTL_REGS_H | ||
13 | #define _ASM_BUSCTL_REGS_H | ||
14 | |||
15 | #include <asm/cpu-regs.h> | ||
16 | |||
17 | #ifdef __KERNEL__ | ||
18 | |||
19 | /* bus controller registers */ | ||
20 | #define BCCR __SYSREG(0xc0002000, u32) /* bus controller control reg */ | ||
21 | #define BCCR_B0AD 0x00000003 /* block 0 (80000000-83ffffff) bus allocation */ | ||
22 | #define BCCR_B1AD 0x0000000c /* block 1 (84000000-87ffffff) bus allocation */ | ||
23 | #define BCCR_B2AD 0x00000030 /* block 2 (88000000-8bffffff) bus allocation */ | ||
24 | #define BCCR_B3AD 0x000000c0 /* block 3 (8c000000-8fffffff) bus allocation */ | ||
25 | #define BCCR_B4AD 0x00000300 /* block 4 (90000000-93ffffff) bus allocation */ | ||
26 | #define BCCR_B5AD 0x00000c00 /* block 5 (94000000-97ffffff) bus allocation */ | ||
27 | #define BCCR_B6AD 0x00003000 /* block 6 (98000000-9bffffff) bus allocation */ | ||
28 | #define BCCR_B7AD 0x0000c000 /* block 7 (9c000000-9fffffff) bus allocation */ | ||
29 | #define BCCR_BxAD_EXBUS 0x0 /* - direct to system bus controller */ | ||
30 | #define BCCR_BxAD_OPEXBUS 0x1 /* - direct to memory bus controller */ | ||
31 | #define BCCR_BxAD_OCMBUS 0x2 /* - direct to on chip memory */ | ||
32 | #define BCCR_API 0x00070000 /* bus arbitration priority */ | ||
33 | #define BCCR_API_DMACICD 0x00000000 /* - DMA > CI > CD */ | ||
34 | #define BCCR_API_DMACDCI 0x00010000 /* - DMA > CD > CI */ | ||
35 | #define BCCR_API_CICDDMA 0x00020000 /* - CI > CD > DMA */ | ||
36 | #define BCCR_API_CDCIDMA 0x00030000 /* - CD > CI > DMA */ | ||
37 | #define BCCR_API_ROUNDROBIN 0x00040000 /* - round robin */ | ||
38 | #define BCCR_BEPRI_DMACICD 0x00c00000 /* bus error address priority */ | ||
39 | #define BCCR_BEPRI_DMACDCI 0x00000000 /* - DMA > CI > CD */ | ||
40 | #define BCCR_BEPRI_CICDDMA 0x00400000 /* - DMA > CD > CI */ | ||
41 | #define BCCR_BEPRI_CDCIDMA 0x00800000 /* - CI > CD > DMA */ | ||
42 | #define BCCR_BEPRI 0x00c00000 /* - CD > CI > DMA */ | ||
43 | #define BCCR_TMON 0x03000000 /* timeout value settings */ | ||
44 | #define BCCR_TMON_16IOCLK 0x00000000 /* - 16 IOCLK cycles */ | ||
45 | #define BCCR_TMON_256IOCLK 0x01000000 /* - 256 IOCLK cycles */ | ||
46 | #define BCCR_TMON_4096IOCLK 0x02000000 /* - 4096 IOCLK cycles */ | ||
47 | #define BCCR_TMON_65536IOCLK 0x03000000 /* - 65536 IOCLK cycles */ | ||
48 | #define BCCR_TMOE 0x10000000 /* timeout detection enable */ | ||
49 | |||
50 | #define BCBERR __SYSREG(0xc0002010, u32) /* bus error source reg */ | ||
51 | #define BCBERR_BESB 0x0000001f /* erroneous access destination space */ | ||
52 | #define BCBERR_BESB_MON 0x00000001 /* - monitor space */ | ||
53 | #define BCBERR_BESB_IO 0x00000002 /* - IO bus */ | ||
54 | #define BCBERR_BESB_EX 0x00000004 /* - EX bus */ | ||
55 | #define BCBERR_BESB_OPEX 0x00000008 /* - OpEX bus */ | ||
56 | #define BCBERR_BESB_OCM 0x00000010 /* - on chip memory */ | ||
57 | #define BCBERR_BERW 0x00000100 /* type of access */ | ||
58 | #define BCBERR_BERW_WRITE 0x00000000 /* - write */ | ||
59 | #define BCBERR_BERW_READ 0x00000100 /* - read */ | ||
60 | #define BCBERR_BESD 0x00000200 /* error detector */ | ||
61 | #define BCBERR_BESD_BCU 0x00000000 /* - BCU detected error */ | ||
62 | #define BCBERR_BESD_SLAVE_BUS 0x00000200 /* - slave bus detected error */ | ||
63 | #define BCBERR_BEBST 0x00000400 /* type of access */ | ||
64 | #define BCBERR_BEBST_SINGLE 0x00000000 /* - single */ | ||
65 | #define BCBERR_BEBST_BURST 0x00000400 /* - burst */ | ||
66 | #define BCBERR_BEME 0x00000800 /* multiple bus error flag */ | ||
67 | #define BCBERR_BEMR 0x00007000 /* master bus that caused the error */ | ||
68 | #define BCBERR_BEMR_NOERROR 0x00000000 /* - no error */ | ||
69 | #define BCBERR_BEMR_CI 0x00001000 /* - CPU instruction fetch bus caused error */ | ||
70 | #define BCBERR_BEMR_CD 0x00002000 /* - CPU data bus caused error */ | ||
71 | #define BCBERR_BEMR_DMA 0x00004000 /* - DMA bus caused error */ | ||
72 | |||
73 | #define BCBEAR __SYSREGC(0xc0002020, u32) /* bus error address reg */ | ||
74 | |||
75 | /* system bus controller registers */ | ||
76 | #define SBBASE(X) __SYSREG(0xd8c00100 + (X) * 0x10, u32) /* SBC base addr regs */ | ||
77 | #define SBBASE_BE 0x00000001 /* bank enable */ | ||
78 | #define SBBASE_BAM 0x0000fffe /* bank address mask [31:17] */ | ||
79 | #define SBBASE_BBA 0xfffe0000 /* bank base address [31:17] */ | ||
80 | |||
81 | #define SBCNTRL0(X) __SYSREG(0xd8c00200 + (X) * 0x10, u32) /* SBC bank ctrl0 regs */ | ||
82 | #define SBCNTRL0_WEH 0x00000f00 /* write enable hold */ | ||
83 | #define SBCNTRL0_REH 0x0000f000 /* read enable hold */ | ||
84 | #define SBCNTRL0_RWH 0x000f0000 /* SRW signal hold */ | ||
85 | #define SBCNTRL0_CSH 0x00f00000 /* chip select hold */ | ||
86 | #define SBCNTRL0_DAH 0x0f000000 /* data hold */ | ||
87 | #define SBCNTRL0_ADH 0xf0000000 /* address hold */ | ||
88 | |||
89 | #define SBCNTRL1(X) __SYSREG(0xd8c00204 + (X) * 0x10, u32) /* SBC bank ctrl1 regs */ | ||
90 | #define SBCNTRL1_WED 0x00000f00 /* write enable delay */ | ||
91 | #define SBCNTRL1_RED 0x0000f000 /* read enable delay */ | ||
92 | #define SBCNTRL1_RWD 0x000f0000 /* SRW signal delay */ | ||
93 | #define SBCNTRL1_ASW 0x00f00000 /* address strobe width */ | ||
94 | #define SBCNTRL1_CSD 0x0f000000 /* chip select delay */ | ||
95 | #define SBCNTRL1_ASD 0xf0000000 /* address strobe delay */ | ||
96 | |||
97 | #define SBCNTRL2(X) __SYSREG(0xd8c00208 + (X) * 0x10, u32) /* SBC bank ctrl2 regs */ | ||
98 | #define SBCNTRL2_WC 0x000000ff /* wait count */ | ||
99 | #define SBCNTRL2_BWC 0x00000f00 /* burst wait count */ | ||
100 | #define SBCNTRL2_WM 0x01000000 /* wait mode setting */ | ||
101 | #define SBCNTRL2_WM_FIXEDWAIT 0x00000000 /* - fixed wait access */ | ||
102 | #define SBCNTRL2_WM_HANDSHAKE 0x01000000 /* - handshake access */ | ||
103 | #define SBCNTRL2_BM 0x02000000 /* bus synchronisation mode */ | ||
104 | #define SBCNTRL2_BM_SYNC 0x00000000 /* - synchronous mode */ | ||
105 | #define SBCNTRL2_BM_ASYNC 0x02000000 /* - asynchronous mode */ | ||
106 | #define SBCNTRL2_BW 0x04000000 /* bus width */ | ||
107 | #define SBCNTRL2_BW_32 0x00000000 /* - 32 bits */ | ||
108 | #define SBCNTRL2_BW_16 0x04000000 /* - 16 bits */ | ||
109 | #define SBCNTRL2_RWINV 0x08000000 /* R/W signal invert polarity */ | ||
110 | #define SBCNTRL2_RWINV_NORM 0x00000000 /* - normal (read high) */ | ||
111 | #define SBCNTRL2_RWINV_INV 0x08000000 /* - inverted (read low) */ | ||
112 | #define SBCNTRL2_BT 0x70000000 /* bus type setting */ | ||
113 | #define SBCNTRL2_BT_SRAM 0x00000000 /* - SRAM interface */ | ||
114 | #define SBCNTRL2_BT_ADMUX 0x00000000 /* - addr/data multiplexed interface */ | ||
115 | #define SBCNTRL2_BT_BROM 0x00000000 /* - burst ROM interface */ | ||
116 | #define SBCNTRL2_BTSE 0x80000000 /* burst enable */ | ||
117 | |||
118 | /* memory bus controller */ | ||
119 | #define SDBASE(X) __SYSREG(0xda000008 + (X) * 0x4, u32) /* MBC base addr regs */ | ||
120 | #define SDBASE_CE 0x00000001 /* chip enable */ | ||
121 | #define SDBASE_CBAM 0x0000fff0 /* chip base address mask [31:20] */ | ||
122 | #define SDBASE_CBAM_SHIFT 16 | ||
123 | #define SDBASE_CBA 0xfff00000 /* chip base address [31:20] */ | ||
124 | |||
125 | #define SDRAMBUS __SYSREG(0xda000000, u32) /* bus mode control reg */ | ||
126 | #define SDRAMBUS_REFEN 0x00000004 /* refresh enable */ | ||
127 | #define SDRAMBUS_TRC 0x00000018 /* refresh command delay time */ | ||
128 | #define SDRAMBUS_BSTPT 0x00000020 /* burst stop command enable */ | ||
129 | #define SDRAMBUS_PONSEQ 0x00000040 /* power on sequence */ | ||
130 | #define SDRAMBUS_SELFREQ 0x00000080 /* self-refresh mode request */ | ||
131 | #define SDRAMBUS_SELFON 0x00000100 /* self-refresh mode on */ | ||
132 | #define SDRAMBUS_SIZE 0x00030000 /* SDRAM size */ | ||
133 | #define SDRAMBUS_SIZE_64Mbit 0x00010000 /* 64Mbit SDRAM (x16) */ | ||
134 | #define SDRAMBUS_SIZE_128Mbit 0x00020000 /* 128Mbit SDRAM (x16) */ | ||
135 | #define SDRAMBUS_SIZE_256Mbit 0x00030000 /* 256Mbit SDRAM (x16) */ | ||
136 | #define SDRAMBUS_TRASWAIT 0x000c0000 /* row address precharge command cycle number */ | ||
137 | #define SDRAMBUS_REFNUM 0x00300000 /* refresh command number */ | ||
138 | #define SDRAMBUS_BSTWAIT 0x00c00000 /* burst stop command cycle */ | ||
139 | #define SDRAMBUS_SETWAIT 0x03000000 /* mode register setting command cycle */ | ||
140 | #define SDRAMBUS_PREWAIT 0x0c000000 /* precharge command cycle */ | ||
141 | #define SDRAMBUS_RASLATE 0x30000000 /* RAS latency */ | ||
142 | #define SDRAMBUS_CASLATE 0xc0000000 /* CAS latency */ | ||
143 | |||
144 | #define SDREFCNT __SYSREG(0xda000004, u32) /* refresh period reg */ | ||
145 | #define SDREFCNT_PERI 0x00000fff /* refresh period */ | ||
146 | |||
147 | #define SDSHDW __SYSREG(0xda000010, u32) /* test reg */ | ||
148 | |||
149 | #endif /* __KERNEL__ */ | ||
150 | |||
151 | #endif /* _ASM_BUSCTL_REGS_H */ | ||